You have $25 in your bank account. You start saving $9 each week. Your friend has
$10 in his account and is saving $12 each week. Which system of equations could be
used to model the total amount in the bank account, t as a function of weeks, w.
A)t=9w+25. T=12w+10
B)t+w=25. 10t+9w=12
C)t=9w+12w. T=10w+12
D)t=9w+12w. T+w=25

Answers

Answer 1

Answer:

A)t=9w+25. T=12w+10

Step-by-step explanation:

Equation for you:

t = 25 + 9w

Equation for friend:

t = 10 + 12w


Related Questions

Pls help me I’m failing lolz :)

Answers

Answer: For no solution it would mean that there is no answer to the equation. For infinite solutions it would mean that any value for the variable would make the equation true.

Explanation: For example of no solution 6=5 as you can tell 6 is not the same to 5 so there is no solution. More examples are 2=3, 8=10, and 1=0. For infinite solutions examples are 2=2, 7=7, and 10=10 as we can see 2 does equal 2 and 7 equals 7 which makes it true and infinite.

Triangle PQR has vertices at the following coordinates: P(0, 1), Q(3, 2), and R(5, -4). Determine whether or not triangle PQR is a right triangle. Show all calculations for full credit.

Answers

Answer:

it's a right angled triangle

Jordan bought 3 bottles of water at the amusemen park. If the total cost of the water was $6, which equation could be used to find the cost of each bottle of water?

PLEASEEE HELP ME I NEED THIS FOR MY EXAMMM

Answers

3divided by 6=t

T shows the total and it would be 3 divided by 6 because you need to find the total cost.

Write a word sentence for the equation y + 3 = 5.

Answers

Answer:

A number plus 3, sum is 5.

9. State Bank pays 5.5 percent interest compounded semiannually on regular
savings accounts. Iva Howe deposited $2,800 in a regular savings account for
2 years. She made no other deposits or withdrawals during the period. How
much interest did her money carn?​

Answers

280 dollars I think

If you do 5.5% x 2year =0.1
2800 x 0.1= 280
Sorry if I'm wrong

Plz Help I neeed to know
What is 2+2?

Answers

Answer:

4

Step-by-step explanation:

Answer:

You see the theoretical answer would be 4 but have you ever considered it to be a watermelon????

Step-by-step explanation:

With the 2 numbers added up its 2 fingers plus 2 fingers. Which is 4. BUT

Its 4 not a watermelon

40 points!
You are framing a picture with a frame of equal width on each side.

a. Write a polynomial that represents the area of the picture including the frame

b. Find the area of the picture including the frame when the width of the frame is 2 inches

Answers

Answer:

Part A)

The polynomial is:

[tex]A=4(x+8)(x+10)[/tex]

Or, expanded:

[tex]A=4x^2+72x+320[/tex]

Part B)

When the width of the frame is two inches, the area of the picture including the frame is 480 square inches.

Step-by-step explanation:

Part A)

For solely the picture, the width is 16 inches, and the length is 20 inches.

If we include the width of the frame, then we will have to add x to both sides of the 16 inches. Then the new width will be (16 + 2x) inches.

Likewise, the new length will be (20 + 2x) inches.

The area of a rectangle is given by its width multiplied by its length. Then the polynomial that represents the area will be:

[tex]A=(16+2x)(20+2x)[/tex]

To simplify calculations, we can factor out a two from both factors. Thus:

[tex]A=2(8+x)\cdot 2(10+x)=4(x+8)(x+10)[/tex]

Expanded, this will be:

[tex]A=4(x^2+18x+80)=4x^2+72x+320[/tex]

Part B)

When the width of the frame is two, x = 2. Then the area is:

[tex]A=4(2+8)(2+10)=4(10)(12)=40(12)=480\text{ inches}^2[/tex]

The area of the picture including the frame will be 480 square inches.

PLS HELP | Shen invested in a savings bond for 4 years and was paid simple interest at an annual rate of 6%. The total interest that he earned was $2160. How much did he invest?

Answers

Answer:

Shen invested $9000.

Step-by-step explanation:

The simple interest formula is i = prt, where p is the principal amuont, r is the annual interest rate as a decimal fraction and t is the time in years.

Here, $2160 = P*0.06*(4 yrs), so:

         $2160

P = ----------------- = $9000

            0.24

Trina collects 56 oak leaves,38 maple leaves,and 46 birch leaves. what percent of trina's leaf collection is made up of oak leaves?​

Answers

Answer:

40% of 140 because 56+38+46= 140

Which list orders the numbers from least to greatest

Answers

The second line
least to greatest: -3, -2.4, -21/4, -1.5, -11/8

Please solve no need for explanation

Answers

Answer:

I am not sure

Step-by-step explanation:

But I think I know

Answer:

Step-by-step explanation:

n=0

w=3120

i=[tex]\sqrt 2[/tex]

q=[tex]\frac{-6}{7}[/tex]

r=5.123456...

please help and dont put links lol​

Answers

-12, use the percentage formula or a percentage calculator.

Answer:

12% decrease

Step-by-step explanation:

So you have to do V2 aka 132-150 to get -18/150. Then, you multiply it by 100 to get 0.12. they you multiply 0.12 by 100 and you get -12% change, or 12% decrease.

(I will give brainiest) Chelsea has just started her own flower business appropriately named Flowers by C.
She knows that she needs to order carnations and roses for her grand opening in order to make
bouquets and vases to sell. She can order a maximum of 300 carnations and 250 roses. The following inequalities represent the total number of bouquets and vases she can make given the
orders she places. Let x represent the number of bouquets and y represent the number of vases.
If she wants to make 18 vases, what is the maximum number of bouquets she can make?

Answers

Answer:

x < -3/5y+ 30

Step-by-step explanation:

x < -3/5y+ 30 for the first one

addboth sides by 6y then divideboth sides by 10

help me plss im beeging

Answers

Answer:

1. x = 12

2. x= 9

3.x = 14

4.x=18

Step-by-step explanation:

is y = 7/8x proportional or non-proportional??

Answers

Answer:

It is proportional

Step-by-step explanation:

May have brainllest I only need 39 more to get to genius

It wants me to find m∠2 from this

Answers

Answer:

Alternate interior angles have the same measure. As we know that 'angle 1 ' and 50° are alternate interior angles hence they must be equal. Also we now that sum of all the angles of a triangle is equal to 180°. Hence, m∠2=15°

Step-by-step explanation:

Answer:

90°

Step-by-step explanation:

This is a kite.

The angle measures of the diagonals (the lines in the middle) are always going to be 90° if they looks like this without any other measures. This goes for all other quadrilaterals as well.

m∠2=90°

Hope I helped.

I sincerely need help because I don’t understand. please write an equation and how to answer AT LEAST one question.

Answers

C is incorrect because 1/5 divided by 4 is .05 and 1/9 is .111
a- correct
b- correct
c- incorrect
d- incorrect

The diameter of a spherical basketball is 10 inches.
What is the volume of the basketball2
Give the exact solution.
Volume


I NEED THE ANSWER FAST HELPP PLEASE

Answers

Answer:

Step-by-step explanation:

Rounded volume: 524 cubic inches.

Step-by-step solution:

The formula for the volume of a sphere is:

Where r is the radius of the sphere.

The radius is half the diameter, therefore it is r=10/2=5

We plug it into the formula and we get:

Then we get:

If we do it in our calculator we get 523.599 that rounded to the nearest whole is 524 cubic inches .

How do I calculate the volume of this prism?

Answers

You just multiply them

help this is khan academy

Answers

Answer:

20

Answer:

20

Step by step:

v = l × w × h

v = 2 × 2× 5

v = 4 × 5

v = 20

PLEASE HELP ASAP!! THIS IS LATE! :(
Which answer best summarizes the state's responsibilities to the national government under the Articles of Confederation?

A. States had to pay taxes set by Congress and provide soldiers during war time.

B. States had to provide representatives to Congress but soldiers were sent only to state militaries.

C. States sent representatives to Congress and provided soldiers and some officers to protect the country.

D. States provided money in the form of taxes, sent representatives to Congress, and had to supply soldiers during war.

Answers

Answer:

States sent representatives to Congress and provided soldiers and some officers to protect the country.

The first three terms of a geometric sequence are as follows.
2, -10, 50
Find the next two terms of this sequence.
Give exact values (not decimal approximations).

Answers

Answer:

-250, 1250

Step-by-step explanation:

The pattern is to multiply by -5.

2,-10, 50, -250, 1250

someone help with this math question!! brainly if correct

Answers

Answer:

option 1) tan (46) = 17/x

Step-by-step explanation:

Plzzzzzzzz helpppppppppopoppoopoloool

Answers

Answer:

x have to be equal to 3

Step-by-step explanation:

Mathematically, when two triangles are similar, the ratios of their corresponding sides are equal

Thus, we have it that;

AB/AC = DE/DF

9/3(x-1) = 6/x + 1

9(x + 1) = 6(3(x-1))

9x + 9 = 18x - 18

18x-9x = 9 + 18

9x = 27

x = 27/9

x = 3

Right triangle ABC is shown below. Write an equation that can be used to determine the angle measure, in degrees, of angle DBC. Then determine the measure of n

Answers

Answer:

Step-by-step explanation:

Find the length of arc JK.
(Round to the nearest hundredth).

Answers

Convert Ø to radians

30°=π/6

Arc length

s=rØs=2(π/6)s=3.14/3s=1.04ft

donner l'écriture scientifiques des nombres ci-dessous
500 000 000=
650 000=
58 400 000 000=
0,000 6=
0,000 032=
0,000 000 072 3=

Answers

Answer:

Step-by-step explanation:

salut :

500 000 000= 5× 10^8

650 000= 6,5 ×10^4

58 400 000 000= 5.84 ×10^8

0,000 6= 6×10^-4

0,000 032= 3.2 ×10^-4

0,000 000 072 3= 7.23 × 10^-8

0,000 000 072 3=7,23×10^-7

What is the area of the figure below?
3 in.
3 in.
5 in.
5 in.
3 in.
3 in.
7 in.

Answers

The answer to your question is 67

Answer:

68 inches squared

Step-by-step explanation:

First, let's find the area of the squares at the top and bottom. Area for a square is:

L * W = A

Plug in the values...

3 * 3 = 9

Therefore, the area of the two squares combined is 18 inches (since 9 + 9 = 18). Now, the hexagon in the middle, which is the hardest part. We will have to separate it into 4 triangles and a rectangle, for simplification. We need to find the base widths of the triangles, which are:

7 (total width) - 3 (middle width) / 2 (because there are two sides)

So it is:

(7 - 3)/2

4/2 = 2

So, the base of the triangle is two inches. We also know that the height of the triangle is five inches. The formula for the area of a triangle is:

(B * H)/2 = A

Fill it in...

(2 * 5)/2

10/2 = 5 inches

So, the area of each triangle is 5 inches. Since there are four triangles, we need to do:

5 * 4 = 20 inches

That means that all of the triangles combined is 20 inches. Lastly, we need the middle part of our hexagon. It is 10 inches tall, and three inches wide. So...

L * W = A

10 * 3 = 30

So, that means that the area of the hexagon is:

30 + 20 = 50

Plus, the two squares from the beginning:

50 + 18 = 68 inches squared

Therefore, the area of the figure is 68 inches. Hope this helps you!

-5x - 5 > 15 solve this inequality

Answers

Answer:

-5×-5>15

+5 +5

-5×>20

÷-5 ÷-5

x<-4

whe you divide by a negativr you flip the sign

Need help asap !!!! It also said round to the nearest tenth

Answers

Answer:

4524.9

Step-by-step explanation:

Area of a parallelogram:

A = bh

A = 63 x 90

A = 5670

Area of half-circle:

A = (πr²)/2

A = (π x 27²)/2

A = (π x 729)/2

A = 729/2π

Combined:

5670 - 729/2π

4524.9

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